Add uvloop.loop.Handle.get_callback()

Author: kristjanvalur

tests/test_base.py

@@ -879,6 +879,19 @@ def test_get_ready_queue(self):
         l2 = len(self.loop.get_ready_queue())
         self.assertEqual(l1, l2-1)
 
+    def test_ready_handle(self):
+        def cb(a, b):
+            return None
+        args = 1, 2
+        self.loop.call_soon(cb, *args)
+        handle = list(self.loop.get_ready_queue())[-1]
+        self.assertIsInstance(handle, uvloop.loop.Handle)
+        cb2, args2 = handle.get_callback()
+        self.assertIs(cb, cb2)
+        self.assertEqual(args, args2)
+        #import uvloop.handles
+        #self.assertIsInstance(last, uvloop.handles.Handle)
+
 
 class TestBaseAIO(_TestBase, AIOTestCase):
     pass

uvloop/cbhandles.pyx

@@ -161,6 +161,16 @@ cdef class Handle:
     def cancelled(self):
         return self._cancelled
 
+    def get_callback(self):
+        """
+        Allow access to a python callback and its args.
+        Return a (callback, args) tuple or None if it is an
+        internal callback.
+        """
+        if self.cb_type == 1:
+            return self.arg1, self.arg2
+        return None
+
 
 @cython.no_gc_clear
 @cython.freelist(DEFAULT_FREELIST_SIZE)